Home / 221,448,175.20-332,172,262.80-210,362,709.60

Finding the Fourth Proportional to 221,448,175.20, 332,172,262.80 and 210,362,709.60

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Solution

The fourth proportional to 221,448,175.20, 332,172,262.80 and 210,362,709.60 is: 315,544,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,448,175.20 : 332,172,262.80 = 210,362,709.60 : x
  2. Step 2: Convert to fraction form
    221,448,175.20/332,172,262.80 = 210,362,709.60/x
  3. Step 3: Cross multiply
    221,448,175.20x = 332,172,262.80 × 210,362,709.60
  4. Step 4: Simplify right side
    221,448,175.20x = 69,876,657,256,571,280
  5. Step 5: Solve for x
    x = 69,876,657,256,571,280/221,448,175.20
  6. Step 6: Final answer
    x = 315,544,064.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.